Pulsed excimer laser angioplasty of human cadaveric arteries

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Presentation transcript:

Pulsed excimer laser angioplasty of human cadaveric arteries Edward M. Farrell, M.D., Lyall A.J. Higginson, M.D., Wing S. Nip, Ph.D., Virginia M. Walley, M.D., Wilbert J. Keon, M.D. Journal of Vascular Surgery Volume 3, Issue 2, Pages 284-287 (February 1986) DOI: 10.1016/0741-5214(86)90012-1 Copyright © 1986 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 1A KrF (249 nm) excimer laser cutting through intimal atherosclerosis to internal elastic lamina. Note clean precise edges without evidence of either thermal or acoustic damage. (Hematoxylin-phloxine saffron stain; original magnification, × 250.) Journal of Vascular Surgery 1986 3, 284-287DOI: (10.1016/0741-5214(86)90012-1) Copyright © 1986 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 1B XeCl (308 nm) excimer laser removing portion of thick atherosclerotic plaque. (Hematoxylin-phloxine saffron stain; original magnification, × 156.) Journal of Vascular Surgery 1986 3, 284-287DOI: (10.1016/0741-5214(86)90012-1) Copyright © 1986 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 1C XeF (351 nm) excimer laser ablating plaque from moderately diseased intima. (Hematoxylin-phloxine saffron stain; original magnification, × 156.) Journal of Vascular Surgery 1986 3, 284-287DOI: (10.1016/0741-5214(86)90012-1) Copyright © 1986 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 2A Scanning electron micrograph demonstrating effect of XeCl (308 nm) excimer laser cutting through atherosclerotic plaque. (Gold-coated stain; original magnification, × 315.) Journal of Vascular Surgery 1986 3, 284-287DOI: (10.1016/0741-5214(86)90012-1) Copyright © 1986 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 2B Transmission electron microscopy demonstrating enlargement of cut edge in Fig. 2A. Note remarkably smooth surface left by laser and integrity of the adjacent tissue. (Uranyl lead acetate stain; original magnification, × 1800.) Journal of Vascular Surgery 1986 3, 284-287DOI: (10.1016/0741-5214(86)90012-1) Copyright © 1986 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions